Status Indicators; Optional Sdcp, Model 3911 Faceplate, And Optional Sdu - Digicom COMSPHERE 3910 Installation And Operation Manual

Status Indicators

The 391x Series modems' status indicators continuously provide information on the modem's
operating condition. All of the status indicators on the Model 3910 appear on the DCP
(Figure 3-1), whereas the status indicators for the carrier-mounted Model 3911 are located on the
Model 3911's faceplate, the SDCP, and the SDU faceplate (Figure 3-2).
Status Status
OK Pwr
Alrm Alrm
Diag In 142 Test
Diag Out Dial
125 RI
Busy
Serv
SQ
103 TXD
104 RXD
105
RTS
106 CTS
107 DSR
108 DTR
109 LSD
Front Panel
Spkr
SDU
3911
SDU 1 2
SELECT
KEY
OK Alarm BckUp Test
NETWORK
DEVICE
ALARM
Figure 3-2. Optional SDCP, Model 3911 Faceplate, and Optional SDU
3910-A2-GN32-40
CARRIER SLOTS 1–16
3 4 5 6 7
Select
OK Alarm BckUp Test EC
STATUS
INDICATORS
EC
ERROR
CORRECTION
TEST
DIAL
MODE
BACKUP
September 1998
8 9 10 11 12
F1 F2 F3
KEYPAD
DCP Operation
13 14 15 16
COMSPHERE 3000
496-14175-01
LCD
3-3